NE

Naoki Esaka

KT Kabushiki Kaisha Toshiba: 22 patents #1,311 of 21,451Top 7%
Kioxia: 21 patents #29 of 1,813Top 2%
Toshiba Memory: 7 patents #254 of 1,971Top 15%
DI Daikin Industries: 3 patents #994 of 2,957Top 35%
TS Toshiba Visual Solutions: 1 patents #9 of 26Top 35%
Overall (All Time): #48,269 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
5475166 Process for preparing 1,1,1,2-tetrafluoroethane Satoshi Koyama, Yukio Homoto 1995-12-12
5395998 Process for preparing 1,1,1-trifluorochloroethane and 1,1,1,2-tetrafluoroethane Satoshi Koyama, Yukio Homoto 1995-03-07
5334786 Process for preparing 1,1,1,2-tetrafluoroethane Satoshi Koyama, Yukio Homoto 1994-08-02